Drug news
Pfizer agreement with Teva relating to US marketing of Viagra
Pfizer has agreed with Teva to permit Teva to launch a generic version of Viagra (sildenafil) in 2017. Pfizer claims US patent protection for the drug until 2020. This agreement will give Teva several years before other generic competitors can come to market and Teva will pay a royalty on sales to Pfizer.
Sales in Europe have fallen 6% in nine months 2013 due to expiry of the European patents and introduction of generic competition.
Learning Zones
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